refs #199 , moved operator for enum/DBus to own file. This operator is not CValueObject specific.

src/blackmisc/dbus.h

@@ -0,0 +1,23 @@
+#ifndef BLACKMISC_DBUS_H
+#define BLACKMISC_DBUS_H
+
+#include <QDBusArgument>
+#include <type_traits>
+
+/*!
+ * Non-member non-friend operator for streaming enums to QDBusArgument.
+ *
+ * \param argument
+ * \param enumType
+ * \return
+ * \remarks Currently outside namespace for OSX build, see https://dev.vatsim-germany.org/issues/184
+ */
+template <class ENUM> typename std::enable_if<std::is_enum<ENUM>::value, QDBusArgument>::type const &
+operator>>(const QDBusArgument &argument, ENUM &enumType)
+{
+    uint e;
+    argument >> e;
+    enumType = static_cast<ENUM>(e);
+    return argument;
+}
+#endif // guard